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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 366 posts.

2021
155

CVE-2021-3011: Key recovery on Google Titan Key

Download the Writeup Illustration made by Romain Flamand Abstract The Google Titan Security Key is a FIDO U2F hardware device proposed by Google (available since July 2018) as a two-factor authentication token to sign in to applications (e.g. your Google account). Our work describes a side-channel attack that targets…

178

Preparing to Issue 200M Certificates in 24 Hours

On a normal day Let’s Encrypt issues nearly two million certificates. When we think about what essential infrastructure for the Internet needs to be prepared for though, we’re not thinking about normal days. We want to be prepared to respond as best we can to the most difficult situations that might arise. In some of…